--- /dev/null
+// Created on: 2020-02-10
+// Created by: Natalia ERMOLAEVA
+// Copyright (c) 2020 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <inspector/VInspector_ItemContextProperties.hxx>
+
+#include <inspector/VInspector_ItemContext.hxx>
+#include <inspector/VInspector_ItemV3dViewer.hxx>
+#include <inspector/VInspector_ItemSelectMgrViewerSelector.hxx>
+
+// =======================================================================
+// function : initValue
+// purpose :
+// =======================================================================
+QVariant VInspector_ItemContextProperties::initValue (int theItemRole) const
+{
+ QVariant aParentValue = VInspector_ItemBase::initValue (theItemRole);
+ if (aParentValue.isValid())
+ return aParentValue;
+
+ if (Column() != 0 || (theItemRole != Qt::DisplayRole && theItemRole != Qt::ToolTipRole))
+ return QVariant();
+
+ return "Properties";
+}
+
+// =======================================================================
+// function : initRowCount
+// purpose :
+// =======================================================================
+int VInspector_ItemContextProperties::initRowCount() const
+{
+ return 2; // V3d_Viewer, SelectMgr_ViewerSelector
+}
+
+// =======================================================================
+// function : createChild
+// purpose :
+// =======================================================================
+TreeModel_ItemBasePtr VInspector_ItemContextProperties::createChild (int theRow, int theColumn)
+{
+ if (theRow == 0)
+ return VInspector_ItemV3dViewer::CreateItem (currentItem(), theRow, theColumn);
+
+ return VInspector_ItemSelectMgrViewerSelector::CreateItem (currentItem(), theRow, theColumn);
+}
+
+// =======================================================================
+// function : initItem
+// purpose :
+// =======================================================================
+void VInspector_ItemContextProperties::initItem() const
+{
+ if (IsInitialized())
+ return;
+ const_cast<VInspector_ItemContextProperties*> (this)->Init();
+}